Vulnerability-Lookup

CNVD-2019-30794

Vulnerability from cnvd - Published: 2019-09-09

Title

Exim缓冲区溢出漏洞

Description

Exim是一个运行于Unix系统中的开源消息传送代理（MTA），它主要负责邮件的路由、转发和投递。 Exim存在缓冲区溢出漏洞，攻击者可利用该漏洞使用root权限执行任意代码。

Severity

高

Patch Name

Exim缓冲区溢出漏洞的补丁

Patch Description

Exim是一个运行于Unix系统中的开源消息传送代理（MTA），它主要负责邮件的路由、转发和投递。 Exim存在缓冲区溢出漏洞，攻击者可利用该漏洞使用root权限执行任意代码。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://exim.org/

Reference

https://seclists.org/bugtraq/2019/Sep/13

Impacted products

Name
Exim Exim <4.92.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-15846"
    }
  },
  "description": "Exim\u662f\u4e00\u4e2a\u8fd0\u884c\u4e8eUnix\u7cfb\u7edf\u4e2d\u7684\u5f00\u6e90\u6d88\u606f\u4f20\u9001\u4ee3\u7406\uff08MTA\uff09\uff0c\u5b83\u4e3b\u8981\u8d1f\u8d23\u90ae\u4ef6\u7684\u8def\u7531\u3001\u8f6c\u53d1\u548c\u6295\u9012\u3002\n\nExim\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u7528root\u6743\u9650\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "discovererName": "\"Zerons\" and Qualys",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://exim.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-30794",
  "openTime": "2019-09-09",
  "patchDescription": "Exim\u662f\u4e00\u4e2a\u8fd0\u884c\u4e8eUnix\u7cfb\u7edf\u4e2d\u7684\u5f00\u6e90\u6d88\u606f\u4f20\u9001\u4ee3\u7406\uff08MTA\uff09\uff0c\u5b83\u4e3b\u8981\u8d1f\u8d23\u90ae\u4ef6\u7684\u8def\u7531\u3001\u8f6c\u53d1\u548c\u6295\u9012\u3002\r\n\r\nExim\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u7528root\u6743\u9650\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Exim\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
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  "referenceLink": "https://seclists.org/bugtraq/2019/Sep/13",
  "serverity": "\u9ad8",
  "submitTime": "2019-09-09",
  "title": "Exim\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2019-15846 (GCVE-0-2019-15846)

Vulnerability from cvelistv5 – Published: 2019-09-06 10:15 – Updated: 2024-08-05 01:03

Summary

Exim before 4.92.2 allows remote attackers to execute arbitrary code as root via a trailing backslash.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

23 references

URL	Tags
http://exim.org/static/doc/security/CVE-2019-15846.txt	x_refsource_MISC
https://www.openwall.com/lists/oss-security/2019/…	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://seclists.org/bugtraq/2019/Sep/13	mailing-listx_refsource_BUGTRAQ
http://www.openwall.com/lists/oss-security/2019/09/06/2	mailing-listx_refsource_MLIST
https://www.debian.org/security/2019/dsa-4517	vendor-advisoryx_refsource_DEBIAN
https://usn.ubuntu.com/4124-1/	vendor-advisoryx_refsource_UBUNTU
https://www.kb.cert.org/vuls/id/672565	third-party-advisoryx_refsource_CERT-VN
http://www.openwall.com/lists/oss-security/2019/09/06/6	mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2019/09/06/4	mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2019/09/06/5	mailing-listx_refsource_MLIST
https://security.gentoo.org/glsa/201909-06	vendor-advisoryx_refsource_GENTOO
http://www.openwall.com/lists/oss-security/2019/09/06/8	mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2019/09/07/1	mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2019/09/07/2	mailing-listx_refsource_MLIST
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
http://www.openwall.com/lists/oss-security/2019/09/08/1	mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2019/09/09/1	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://usn.ubuntu.com/4124-2/	vendor-advisoryx_refsource_UBUNTU
https://exim.org/static/doc/security/CVE-2019-15846.txt	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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              "name": "http://exim.org/static/doc/security/CVE-2019-15846.txt",
              "refsource": "MISC",
              "url": "http://exim.org/static/doc/security/CVE-2019-15846.txt"
            },
            {
              "name": "https://www.openwall.com/lists/oss-security/2019/09/06/1",
              "refsource": "MISC",
              "url": "https://www.openwall.com/lists/oss-security/2019/09/06/1"
            },
            {
              "name": "[debian-lts-announce] 20190906 [SECURITY] [DLA 1911-1] exim4 security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2019/09/msg00004.html"
            },
            {
              "name": "20190906 [SECURITY] [DSA 4517-1] exim4 security update",
              "refsource": "BUGTRAQ",
              "url": "https://seclists.org/bugtraq/2019/Sep/13"
            },
            {
              "name": "[oss-security] 20190906 Re: CVE-2019-15846: Exim - local or remote attacker can execute programs with root privileges.",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2019/09/06/2"
            },
            {
              "name": "DSA-4517",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2019/dsa-4517"
            },
            {
              "name": "USN-4124-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4124-1/"
            },
            {
              "name": "VU#672565",
              "refsource": "CERT-VN",
              "url": "https://www.kb.cert.org/vuls/id/672565"
            },
            {
              "name": "[oss-security] 20190906 Sv: [exim] CVE-2019-15846: Exim - local or remote attacker can execute programs with root privileges",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2019/09/06/6"
            },
            {
              "name": "[oss-security] 20190906 Re: CVE-2019-15846: Exim - local or remote attacker can execute programs with root privileges.",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2019/09/06/4"
            },
            {
              "name": "[oss-security] 20190906 Re: CVE-2019-15846: Exim - local or remote attacker can execute programs with root privileges.",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2019/09/06/5"
            },
            {
              "name": "GLSA-201909-06",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/201909-06"
            },
            {
              "name": "[oss-security] 20190906 Re: Re: CVE-2019-15846: Exim - local or remote attacker can execute programs with root privileges.",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2019/09/06/8"
            },
            {
              "name": "[oss-security] 20190907 Re: Sv: [exim] CVE-2019-15846: Exim - local or remote attacker can execute programs with root privileges",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2019/09/07/1"
            },
            {
              "name": "[oss-security] 20190906 Re: Sv: [exim] CVE-2019-15846: Exim - local or remote attacker can execute programs with root privileges",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2019/09/07/2"
            },
            {
              "name": "FEDORA-2019-ae361e20c2",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NDF37AUNETIOXY6ZLQAUBGBVUTMMV242/"
            },
            {
              "name": "FEDORA-2019-467fcbb10a",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FT3GY7V7SR2RHKNZNQCGXFWUSILVSZNU/"
            },
            {
              "name": "[oss-security] 20190908 Re: Re: CVE-2019-15846: Exim - local or remote attacker can execute programs with root privileges.",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2019/09/08/1"
            },
            {
              "name": "[oss-security] 20190909 Re: Sv: [exim] CVE-2019-15846: Exim - local or remote attacker can execute programs with root privileges",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2019/09/09/1"
            },
            {
              "name": "openSUSE-SU-2019:2093",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00024.html"
            },
            {
              "name": "FEDORA-2019-1ed7bbb09c",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SBNHDAF74RI6VK2JVSEIE3VYNL7JJDYM/"
            },
            {
              "name": "USN-4124-2",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4124-2/"
            },
            {
              "name": "https://exim.org/static/doc/security/CVE-2019-15846.txt",
              "refsource": "MISC",
              "url": "https://exim.org/static/doc/security/CVE-2019-15846.txt"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2019-15846",
    "datePublished": "2019-09-06T10:15:43.000Z",
    "dateReserved": "2019-09-02T00:00:00.000Z",
    "dateUpdated": "2024-08-05T01:03:32.314Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.